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Results for “Eye Protective Devices”

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At least 271 records · Page 15Linked to original sources
PubMed2006

Blood splash from different diathermy instruments during tonsillectomy.

OBJECTIVE: To compare the potential risk of blood contamination of the surgeon's conjunctiva during tonsillectomy using disposable bipolar diathermy and reusable monopolar diathermy. DESIGN: A prospective, single-blind, randomized, controlled trial. METHODS: Elective tonsillectomy was performed using either disposable bipolar diathermy or reusable monopolar diathermy. The operating surgeon wore a ViewsafeTM protective eyeshield which was later examined under an operating microscope by a blinded observer and the number of blood spots counted. RESULTS: One hundred and sixty-eight patients were enrolled. The relative risk of conjunctival contamination of the surgeon using disposable bipolar diathermy was 2.8 times that with reusable monopolar diathermy (chi-squared test, p < 0.0005). A previous history of peritonsillar abscess and additional adenoidectomy were associated with increased blood splatter. CONCLUSION: The use of disposable bipolar diathermy for haemostasis during tonsillectomy poses a greater risk of conjunctival contamination for the surgeon than using reusable monopolar diathermy.

Adolescent↗
PubMedDate not supplied

Eye injuries associated with paintball guns.

AIMS: This study identifies the various types of ocular injuries sustained after blunt trauma with a paintball fired from a paintball gun. METHODS: We report two patients who sustained injury to an eye after being shot with a paintball and review similar cases presented in the world literature. The type of injury sustained and the final visual acuity obtained after a paintball hit to the eye are examined. RESULTS: The two boys presented were hit in the eye with a paintball resulting in lens subluxation, hyphema formation, and angle recession. Cataract extraction was required in both cases. One boy also had an optic neuropathy and a choroidal rupture. A review of the literature reveals a variety of injuries occur after a paintball hit to the eye. In some of the cases, the damage to the eye has led to loss of vision and at times loss of the eye. CONCLUSIONS: Paintball guns can cause devastating ocular injuries. Wearing protective eye and face gear during this game is essential. We recommend that an anti-fog face mask with a one-piece polycarbonate eye shield be worn by those participating in paintball games.

Adolescent↗
PubMed2000

The eye irritation and odor potencies of four terpenes which are major constituents of the emissions of VOCs from Nordic soft woods.

Eye goggles were used to estimate human thresholds for sensory eye irritation from four monoterpenes: (+)3-carene, (-)limonene and (+)alpha-pinene and (rac)alpha-terpineol all known as air pollutants emitted from wood. Only a ranking of the irritation thresholds relative to that of n-butanol is given. The measurements showed that the thresholds for eye irritation of the terpenes ranged from subthreshold to below 1,250 mg/m3. It appears that the irritation of 3-carene and limonene in contrast to the expectations was of the same size as or less than that of n-butanol. Too few subjects reported eye-irritation for alpha-pinene and alpha-terpineol to allow estimates of thresholds of these compounds which therefore have much less irritative potency than n-butanol, 3-carene, and limonene. The measurements of one terpene alcohol do not support the hypothesis that monoterpene alcohols, would have lower eye irritation threshold than monoterpene hydrocarbons. The sequence from strongest odorant to weakest was alpha-terpineol, 3-carene, n-butanol, limonene and alpha-pinene. In conclusion, the tested terpenes can probably be ruled out as cause of acute eye irritation indoors. The measured odor thresholds did not deviate from the few values reported in the literature.

Air Pollution, Indoor↗
PubMed2002

Tanning salons in southwest Poland: a survey of safety standards and professional knowledge of the staff.

BACKGROUND: Nowadays, sunbeds are very popular worldwide; however--in the majority of countries, including Poland--there are no general guidelines and/or regulations for sunbed usage. PURPOSE: The aim of the study was to evaluate tanning salons in southwest Poland, paying special attention to safety regulations and basic professional knowledge of the staff members of these units. The hypothesis was put that tanning salons offer better skin and eye protection if their employees are more educated. METHODS: Fifty-five sunbed units were visited by the investigators, acting as potential clients. Information was obtained from the staff members in response to previously designed questionnaire. RESULTS: Employees of 41.8% of sunbed units had adequate knowledge of radiation used in their establishments. Goggles were provided in 72.7%, sunglasses in additional 25.5% of salons. Lotions with sunscreens were available in 41.8% of units. Brief medical history of the client was taken in 20% of units. No dermatological examination was performed. Tanning salons, where employed staff were well-orientated in ultraviolet radiation emitted in their units, significantly more frequently recommended usage of goggles and sunscreens (P = 0.0037 and P = 0.0033, respectively). Moreover, in these establishments sunscreens were more commonly available (P = 0.0029). CONCLUSIONS: The knowledge of staff members of tanning salons is poor and the eye and skin protection is not enough. The results point out the importance of the knowledge of the staff members in providing skin and eye protection.

Adolescent↗
PubMed1992

Eye injuries at work: a prospective population-based survey within the chemical industry.

A population of 63,000 chemical industry workers was studied prospectively over approximately 10,000,000 man-hours of work. A total of 133 eye injuries were reported (8.4% of all injuries), of which 22% needed medical attention. Eye protection was often not worn, some protectors may have been wrongly recommended for a particular task, and some protectors may have failed to perform adequately. In this population, an eye injury occurred once every 75,000 man-hours of work on average (injury incidence 23:1000:year). Most injuries were avoidable. Revision of protection protocols at work, and improved education of personnel are needed to reduce the incidence of occupational eye injury.

Accidents, Occupational↗
PubMed1995

Ocular protection in squash clubs: time for a change?

All squash clubs in the West Midlands were surveyed by postal questionnaire to determine their level of awareness to the risk of ocular injury. Of the 100 clubs surveyed, 51 questionnaires were returned. None of the clubs responding had any information warning of the potential hazards of ocular injury. Thirteen of the clubs had sporting goods shops; of these, three sold protective eye-wear. Significantly, all three stocked the open or lenseless type of eye-guard and only one had the guards with impact-resistant plastic lenses. The majority of clubs (96%) expressed a desire for further information. It is concluded that: (1) players are not warned of the hazards of playing without appropriate eye protection, (2) hazardous eye-guards (open type) continue to be sold, and (3) there is a desire to improve the safety of the sport.

Eye Injuries↗
PubMed1998

Is eye padding routinely necessary after uncomplicated phacoemulsification?

PURPOSE: To investigate the value of eye padding following uncomplicated phacoemulsification under peribulbar anaesthesia. METHODS: A prospective randomised controlled study was conducted to compare the effect of a conventional eye pad and shield with that of a clear eye shield applied without a pad in 83 patients undergoing routine phacoemulsification under peribulbar anaesthesia without lid block. The primary outcome measures were corneal fluorescein staining, discomfort, diplopia and mobility. RESULTS: Moderate or severe corneal fluorescein staining on the first post-operative day was significantly more common in the pad and shield group (39%) than in the clear shield group (19%) (p < 0.01). There was no significant difference in post-operative pain as measured either by visual analogue scale or by categorical pain scale. Forty per cent of the clear shield group reported transient post-operative diplopia during the immediate post-operative period compared with 7% of the pad and shield group (p < 0.001). There was no significant difference in reported mobility between the two groups. CONCLUSIONS: Following phacoemulsification under peribulbar anaesthesia, the use of a gauze eye pad is associated with greater corneal fluorescein staining than a clear plastic shield without pad and offers no reduction in discomfort. A clear shield protects the globe against direct trauma, is associated with reduced moderate to severe corneal staining and facilitates vision in the early post-operative period. Transient diplopia reported by some patients given a clear shield is not disabling and would not be expected to occur in patients with one seeing eye. The use of a clear shield alone is a safe alternative to eye padding and offers important advantages in patients with one seeing eye.

Aged↗
PubMed2005

The generic enhancement of photochromic dye switching speeds in a rigid polymer matrix.

The switching or isomerization speed of photochromic dyes in a rigid polymeric matrix (such as an ophthalmic lens) is generally significantly slower than that observed in the mobile environment of a solution. Here we describe that the attachment of flexible oligomers having a low glass-transition temperature-such as poly(dimethylsiloxane)-to photochromic dyes greatly increases their switching speeds in a rigid polymer matrix. The greatest impact was observed in the thermal fade parameters T(1/2) and T(3/4)-the times it takes for the optical density to reduce by half and three quarters of the initial optical density of the coloured state-which were reduced by 40-95% and 60-99% respectively for spirooxazines, chromenes and an azo dye in a host polymer with a glass-transition temperature of 120 degrees C. The method does not alter the electronic nature of the dyes but simply protects them from the host matrix and provides greater molecular mobility for the switching process. In addition to ophthalmic lenses, the generic nature of the method may find further utility in data recording or optical switching.

Circular Dichroism↗